We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Correlations of the Characteristics of Event-Related Potentials with the Contents of Some Chemical Elements in the Organism of Urban Teenager Residents (According to a Longitudinal Observation).
- Authors
Zalata, O.
- Abstract
We examined correlations of the characteristics of event-related potentials (ERPs) recorded according to a two-stimulus go/no-go paradigm (with measurements of the reaction time) with the contents of seven essential and potentially harmful elements in a group of teenagers (15 boys and 15 girls). Electrophysiological examinations and measurements of the contents of chemical elements in samples of a biologically stable tissue (hairs) using X-ray fluorescence analysis were carried out during three years (age of the subjects increased from 12 to 14 years). Nonparametric correlation analysis by Spearman was used. In 12- and 13-year-old teenagers, the element balance was characterized by deficiencies of Ca, Fe, and Mn; in 14-year-old subjects, an excess of Ni and a noticeably excessive content of Pb in hairs were found. Statistically significant correlations (0.37 < r < 0.64) of the amplitudes and latencies of ERPs with the contents of the above elements were observed (20 and 7 cases, respectively). Correlations of the ERP parameters with the contents of chemical elements were more clearly expressed in the case of deficiencies of essential elements in 12- and 13-year-old teenagers; in older subjects (14 years), manifestations of such correlations demonstrated a trend toward limitation.
- Subjects
EVOKED potentials (Electrophysiology); CHEMICAL elements; X-ray spectroscopy; URBAN teenagers; URBAN youth
- Publication
Neurophysiology, 2012, Vol 44, Issue 6, p496
- ISSN
0090-2977
- Publication type
Article
- DOI
10.1007/s11062-012-9326-5